BenQ HT2550 User Manual - Page 8

Projector exterior view, USB Mini-B port for firmware upgrades

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Projector exterior view 1 2 3 4 5 6 3 3 20 20 20 3 1. Lamp cover 2. Vent (air exhaust) 3. Adjuster feet 4. Projection lens 5. IR remote sensor 6. Lens cover 7. External control panel (See Controls and functions on page 9.) 8. Focus and Zoom rings 9. Vent (air inlet) 10. Audio input jack Audio output jack 11. RGB (PC) signal input jack 12. HDMI input port (Version 2.0) 13. HDMI input port (Version 1.4a) 7 8 10 11 12 1314 15 16 17 9 3 18 19 3 3 20 20 20 3 14. USB Mini-B port (for firmware upgrades) 15. RS-232 control port 16. USB Type-A port (1.5 A power supply) 17. 12V DC output terminal Triggers external devices such as an electric screen or light control, etc. 18. AC power jack 19. Kensington anti-theft lock slot 20. Ceiling mount holes 8 Introduction

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8
Introduction
Projector exterior view
1.
Lamp cover
2.
Vent (air exhaust)
3.
Adjuster feet
4.
Projection lens
5.
IR remote sensor
6.
Lens cover
7.
External control panel
(See
Controls and functions on page 9
.)
8.
Focus and Zoom rings
9.
Vent (air inlet)
10. Audio input jack
Audio output jack
11. RGB (PC) signal input jack
12. HDMI input port (Version 2.0)
13. HDMI input port (Version 1.4a)
14. USB Mini-B port (for firmware upgrades)
15. RS-232 control port
16. USB Type-A port (1.5 A power supply)
17. 12V DC output terminal
Triggers external devices such as an electric
screen or light control, etc.
18. AC power jack
19. Kensington anti-theft lock slot
20. Ceiling mount holes
8
7
18
3
20
3
3
9
3
3
6
5
4
20
20
3
3
3
20
20
20
19
1
2
11
12
13
14
15
16
17
10